Fix multiuser

src/database.py

@@ -23,10 +23,12 @@ class Note(db.Model):
     id = db.Column(db.Integer, primary_key=True)
     title = db.Column(db.String(100), unique=True)
     text = db.Column(db.Text())
+    user_id = db.Column(db.Integer)
 
-    def __init__(self, title, text):
+    def __init__(self, title, text, user_id):
         self.title = title
         self.text = text
+        self.user_id = user_id
 
     def __repr__(self):
         return '<Note {title}>'.format(title=self.title)